All-in-One Messaging API that Supports SMS, Push, Email, and More

A powerful way to send personalized messages at scale and build effective customer engagement strategies.

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Powerful APIs for All You Need

OneSignal’s flexible APIs empower you to send transactional and triggered messages at scale. Whether you’re sending 1-to-1 or to targeted audiences, you can easily personalize your messaging to keep your users engaged and loyal.

Seamless Sending

Monitor your applications through code and seamlessly send across all platforms.

Reach Multiple User Types

Send notifications to a single user, set of users, or segment

Retrieve Notification Statistics

View and export open rates, confirmed delivery count, message text, and more

Create User Segments

Create personalized messages and send them to the right audiences

Manage User Data

Update, retrieve, and delete user data

Get a Glimpse of Active Users

View a list of users who clicked a specific notification

Create and Manage Apps

Add, remove, delete, or rename Apps and Organizations

Cancel Notifications

Cancel notifications that have not yet been sent

Target Based on Filters

Target specific audiences based on user attributes such as activity and location

Our platform supports targeted messaging across a range of devices, including iOS, Android, and more.

Learn More About the Devices and Platforms We Support

Unlimited API Opportunities

Data is the new gold, and OneSignal provides unlimited API calls so you can freely send and access the data you need. Compare this to our competitors, who either have monthly quotas or charge extra for API calls and data updates, which can easily 2x your cost.

Api high throughput built to scale

High Throughput Built to Scale

Our APIs have been performance-engineered to handle many concurrent connections, allow batch operations for many calls, and easily scale with your business. We enable over 2 million developers and marketers across the globe to send over 12 billion messages per day.

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We’ll introduce you to our powerful multichannel messaging platform and some of the ways we can help you enhance your customer experience and grow your business.

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Marcel Caferati
We mainly use push notifications for our apps, iOS and Android. The integration is pretty easy, the API is simple, and the interface is interactive enough so any person on my team can use it.
Marcel Caferati

CEO, Mfit Personal

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